ppisa commented on code in PR #12081:
URL: https://github.com/apache/nuttx/pull/12081#discussion_r1564994912
##########
arch/arm/src/samv7/sam_qencoder.c:
##########
@@ -270,11 +316,139 @@ static int sam_reset(struct qe_lowerhalf_s *lower)
static int sam_ioctl(struct qe_lowerhalf_s *lower, int cmd,
unsigned long arg)
{
- /* No ioctl commands supported */
-
+#ifdef CONFIG_SAMV7_QENCODER_ENABLE_GETINDEX
+ switch (cmd)
+ {
+ case QEIOC_GETINDEX:
+ {
+ /* Call the qeindex function */
+
+ sam_qeindex(lower, (struct qe_index_s *) arg);
+ return OK;
+ }
+
+ default:
+ {
+ return -ENOTTY;
+ }
+ }
+#else
return -ENOTTY;
+#endif
}
+#ifdef CONFIG_SAMV7_QENCODER_ENABLE_GETINDEX
+/****************************************************************************
+ * Name: sam_qe_pos_16to32b
+ *
+ * Description:
+ * An inline function performing the extension of current position.
+ * Last reading is saved to priv->last_pos.
+ *
+ ****************************************************************************/
+
+static inline int32_t sam_qe_pos_16to32b(struct qe_lowerhalf_s *lower,
+ uint32_t current_pos)
Review Comment:
Gain, I expect no gain there
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